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m42 adapters and R1


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#1 Francois Farellacci

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Posted 19 April 2008 - 09:07 AM

Hello
I am planning to buy a K3 camea this week-end and there are a few topics that are not quite clear to me.

1. adapters.
I have several Nikon and Leica M lenses available for free (can be borrowed). So I was considering the option of buying and adapter ring ( found some for both brands), but I am wondering if there could be any problems with focus. There shouldn't be right ?

2. R1 R2 ?
The camera is a standard non modified K3. can I load it with R1 film ?

Thanks

F.
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#2 Ian Cooper

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Posted 21 April 2008 - 04:05 AM

2. R1 R2 ?
The camera is a standard non modified K3. can I load it with R1 film ?



Yep, single perf will run through fine.
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#3 Will Montgomery

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Posted 22 April 2008 - 01:40 PM

Watch out, just because you can get an adapter from M42 to Nikon doesn't mean the lens will work properly with the camera.

You need a fully manual aperture setting. On some Pentax Super Takumar M42 lenses there's a switch that will allow you to use the aperture ring in full manual mode. Not sure how the Nikon lenses will function that way. On the Zenitar 16mm f2.8 fisheye lens I had to push in the aperture pin and basically break it by forcing it to stay in to make it work.

There may also be back focus issues with an adapter, I'm not sure.

Keep an eye out for inexpensive M42 lenses. You'd be surprised how many and how reasonable they are.

I'd love to know your results as I have a Nikkor 17-35 2.8 that I'd love to try on my K3. I'm sure it would cover the S16 area no problem.
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#4 Leo Anthony Vale

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Posted 23 April 2008 - 02:25 PM

1. adapters.
I have several Nikon and Leica M lenses available for free (can be borrowed). So I was considering the option of buying and adapter ring ( found some for both brands), but I am wondering if there could be any problems with focus. There shouldn't be right ?


The Nikon and Leica M or screw adapters would be for using the M42 lenses on Nikon and Leica bodies.

The flange focal distance of the Leica is way to short to be usable.
Adapters that let on use Leica lenses, usually screw mount, are for macro photography.



Mount name Camera type Mount type Flange focal distance

Leica M bayonet 35 mm still Bayonet 27.80 mm
M42 lens mount or Praktica 35 mm still Screw (42 mm×1mm) 45.46 mm
Nikon F-mount 35 mm still Bayonet 46.5 mm

from: http://en.wikipedia...._of_lens_mounts

http://www.bhphotovi...AI_Body_to.html
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